64668400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 120

約数和(自身を含む): 167290880

約数和(自身を除く): 102622480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 67, 76, 80, 95, 100, 127, 134, 152, 190, 200, 254, 268, 304, 335, 380, 400, 475, 508, 536, 635, 670, 760, 950, 1016, 1072, 1270, 1273, 1340, 1520, 1675, 1900, 2032, 2413, 2540, 2546, 2680, 3175, 3350, 3800, 4826, 5080, 5092, 5360, 6350, 6365, 6700, 7600, 8509, 9652, 10160, 10184, 12065, 12700, 12730, 13400, 17018, 19304, 20368, 24130, 25400, 25460, 26800, 31825, 34036, 38608, 42545, 48260, 50800, 50920, 60325, 63650, 68072, 85090, 96520, 101840, 120650, 127300, 136144, 161671, 170180, 193040, 212725, 241300, 254600, 323342, 340360, 425450, 482600, 509200, 646684, 680720, 808355, 850900, 965200, 1293368, 1616710, 1701800, 2586736, 3233420, 3403600, 4041775, 6466840, 8083550, 12933680, 16167100, 32334200, 64668400]

約数ペア:

[(1, 64668400), (2, 32334200), (4, 16167100), (5, 12933680), (8, 8083550), (10, 6466840), (16, 4041775), (19, 3403600), (20, 3233420), (25, 2586736), (38, 1701800), (40, 1616710), (50, 1293368), (67, 965200), (76, 850900), (80, 808355), (95, 680720), (100, 646684), (127, 509200), (134, 482600), (152, 425450), (190, 340360), (200, 323342), (254, 254600), (268, 241300), (304, 212725), (335, 193040), (380, 170180), (400, 161671), (475, 136144), (508, 127300), (536, 120650), (635, 101840), (670, 96520), (760, 85090), (950, 68072), (1016, 63650), (1072, 60325), (1270, 50920), (1273, 50800), (1340, 48260), (1520, 42545), (1675, 38608), (1900, 34036), (2032, 31825), (2413, 26800), (2540, 25460), (2546, 25400), (2680, 24130), (3175, 20368), (3350, 19304), (3800, 17018), (4826, 13400), (5080, 12730), (5092, 12700), (5360, 12065), (6350, 10184), (6365, 10160), (6700, 9652), (7600, 8509)]